﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace QuanLySimSoDep
{
    public partial class timkiem : Form
    {
        public timkiem()
        {
            InitializeComponent();
        }

        private void btn_Hienthi_Click(object sender, EventArgs e)
        {
            string s = "";
            StreamReader r = new StreamReader("dulieu.txt");
            while ((s=r.ReadLine())!= null)
            {
                
                richTextBox1.Text = s;

            }
        }
    }
}
